| General information |
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Acipenser baerii (Brandt, 1869) |
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| Common name | Siberian sturgeon |
| Synonyms |
- |
| IUCN Red List status (2014) |
Endangered (EN) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Chondrostei; Acipenseriformes; Acipenseridae. |
| Geographical distribution |
China; Mongolia; Uzbekistan; Russia; Germany; France; Spain; Sweden; Finland; Uruguay; Albania; Latvia; Lithuania; Poland |
| Occurrence |
native: China; native: Mongolia; introduced: Uzbekistan; native: Russia; introduced: Germany; introduced: France; introduced: Spain; introduced: Sweden; introduced: Finland; introduced: Uruguay; introduced: Albania; introduced: Latvia; introduced: Lithuania; introduced: Poland |
| Remarks |
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| Karyological information |
| Geographical area of study |
Brescia, Italy |
| Source of chromosomes |
Fin cell line |
| Number of specimens with sex |
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| Diploid chromosome number |
249 |
| Karyotype formula |
Not reported |
| Fundamental arm number |
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| Chromosome length |
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| Sex chromosome |
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| Chromosome staining/banding/FISH |
The signals of 5S probe are localized on four chromosomes; the signals of 18S–28S probe are interspersed within the telomeric regions of 10-12 chromosomes. |
| Reference |
Fontana F, Lanfredi M, Congiu L, Leis M, Chicca M, Rossi R (2003). Chromosomal mapping of 18S–28S and 5S rRNA genes by two-colour fluorescent in situ hybridization in six sturgeon species. Genome, 46: 473–477.
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| Cross Link |